Commit c9198662 authored by thomas.forbriger's avatar thomas.forbriger
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[DOC] (stf_issue12): describe soutifu test case 1 as toy example

parent fc9ee5ec
......@@ -83,4 +83,45 @@ The noise amplitude can be adjusted by
and varying the value of NOISEAMP.
Using the toy examples
The above mentioned test cases can well be used as toy examples to study the
effect of processing parameters. Just call
make soutifuclean soutifu1_report.pdp
to receive a display of the result for testcase 1 in the PDF previewer. If you
like to change the default PDF previewer to e.g. okular, call
make soutifuclean soutifu1_report.pdp PDFPREVIEWER=okular
instead. Testcase 1 uses identical wave propagation for simulated data and
synthetics. In this case it is always possible to reproduce data from
synthetics by the appropriate correction filter, as well as it is possible to
reproduce the actual source time function. This is displayed by
make soutifuclean soutifu1_add_report.pdp
which adds test time series, which are filtered by the source time function as
used in producing simulated data as well as with the correction filter derived
by soutifu. Both operations should provide identical results.
Noise added to the data will result in a noise correction filter:
make soutifuclean soutifu1_add_report.pdp NOISEAMP=5.e-5
A finite waterlevel in the deconvolution reduces high-frequency noise without
noticable deterioration of waveform simulation. However in the additional test
time series the lack of low-frequency energy in the signals use to optimize
the correction filter becomes apparent:
make soutifuclean soutifu1_add_report.pdp NOISEAMP=5.e-5 \
The deterioration becomes stronger with increasing waterlevel:
make soutifuclean soutifu1_add_report.pdp NOISEAMP=5.e-5 \
----- END OF README.soutifu -----
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